Datasheet ADIS16485 (Analog Devices) - 6

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ADIS16485 Data Sheet TIMING SPECIFICATIONS
TA = 25°C, VDD = 3.3 V, unless otherwise noted.
Table 2. Normal Mode Parameter Description Min 1 Typ Max1 Unit
10F10F fSCLK Serial clock 0.01 15 MHz t 2 STALL Stall period between data communication cycles 2 µs 11F11F tCLS Serial clock low period 31 ns tCHS Serial clock high period 31 ns t Chip select to clock edge 32 ns A CSE tDAV DOUT valid after SCLK edge 10 ns tDSU DIN setup time before SCLK rising edge 2 ns tDHD DIN hold time after SCLK rising edge 2 ns tDR, tDF DOUT rise/fall times, ≤100 pF loading 3 8 ns tDSOE CSE assertion to data out active 0 11 ns A A tHD SCLK edge to data out invalid 0 ns tSFS Last SCLK edge to CSE deassertion 32 ns A A tDSHI CSE deassertion to data out high impedance 0 9 ns A A t1 Input sync pulse width 5 µs t2 Input sync to data invalid 510 µs t3 Input sync period 417 µs 1 Guaranteed by design and characterization, but not tested in production. 2 See Table 3 for exceptions to the stal time rating.
Table 3. Register Specific Stall Times Register Function Minimum Stall Time (μs)
FNCTIO_CTRL Configure DIOx functions 60 FLTR_BNK0 Enable/select FIR filter banks 320 FLTR_BNK1 Enable/select FIR filter banks 320 NULL_CFG Configure autonull bias function 10 GLOB_CMD[1] Self test 12,000 GLOB_CMD[2] Memory test 50,000 GLOB_CMD[3] Flash memory update 375,000 GLOB_CMD[6] Flash memory test 75,000 GLOB_CMD[7] Software reset 12,000 Rev. G | Page 6 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Basic Operation Register Structure SPI Communication Device Configuration Dual Memory Structure Reading Sensor Data User Registers Output Data Registers Inertial Sensor Data Format Rotation Rate (Gyroscope) Acceleration Delta Angles Delta Velocity Internal Temperature Status/Alarm Indicators Firmware Revision Product Identification Digital Signal Processing Gyroscopes/Accelerometers Averaging/Decimation Filter FIR Filter Banks Filter Memory Organization Default Filter Performance Calibration Gyroscopes Manual Bias Correction Bias Null Command Manual Sensitivity Correction Linear Acceleration on Effect on Gyroscope Bias Accelerometers Manual Bias Correction Manual Sensitivity Correction Restoring Factory Calibration Point of Percussion Alignment Alarms Static Alarm Use Dynamic Alarm Use Alarm Example System Controls Global Commands Software Reset Automatic Self Test Memory Management Flash Memory Test General-Purpose I/O Data-Ready Indicator Input Sync/Clock Control General-Purpose I/O Control Power Management General-Purpose Registers Real-Time Clock Configuration/Data Applications Information Mounting Tips Evaluation Tools Breakout Board, ADIS16IMU/PCBZ PC-Based Evaluation, EVAL-ADIS2 Power Supply Considerations Outline Dimensions Ordering Guide